title: Success and failure of initial endodontic therapy.
authors.affiliation: Department of Endodontics, Faculty of Dentistry, University of Toronto.
authors.forename: S
authors.initials: S
authors.lastname: Friedman
mesh_terms: D003788:Dental Pulp Diseases / Q000628:therapy; D005500:Follow-Up Studies; D006801:Humans; D018579:Patient Selection; D012390:Root Canal Therapy; D017211:Treatment Failure